sync-classlock.hpp

Go to the documentation of this file.

/*
  SYNC-CLASSLOCK.hpp  -  special case of object based locking tied directly to a type

  Copyright (C)         Lumiera.org
    2008,               Christian Thaeter <ct@pipapo.org>
                        Hermann Vosseler <Ichthyostega@web.de>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of
  the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef LIB_SYNC_CLASSLOCK_H
#define LIB_SYNC_CLASSLOCK_H

#include "lib/nobug-init.hpp"
#include "lib/zombie-check.hpp"
#include "lib/meta/util.hpp"
#include "lib/sync.hpp"


namespace lib {
  
  
  template<class X, class CONF = RecursiveLock_NoWait>
  class ClassLock 
    : public Sync<CONF>::Lock
    {
      using Lock    = typename Sync<CONF>::Lock;
      using Monitor = typename sync::Monitor<CONF>;
      
      struct PerClassMonitor : Monitor {};
      
      Monitor&
      getPerClassMonitor()
        {
          static PerClassMonitor classMonitor;
          static ZombieCheck zombieCheck{util::typeStr(this)};
          
          zombieCheck();
          return classMonitor;
        }
      
    public:
      ClassLock()
        : Lock{getPerClassMonitor()}
        { }
    };
  
  
} // namespace lib
#endif /*LIB_SYNC_CLASSLOCK_H*/